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My microwave runs but does not cook - GE JEM31 Microwave Oven

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If the microwave operates normally, but does not heath at all, then it can be the high voltage capacitor, the rectifier diode.or the magnetron.

The diode and capacitors can br tested. The capacitor must be allowed discharge before testing, or you risk to get electrocuted, even if power is off. Capacitors can get discharged by shorting their two contacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.

All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, your model number did not return any result, contact the seller here to purchase parts.

Posted on Jul 31, 2009

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Posted on Jan 02, 2017

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1 Answer

GE spacemaker microwave turns off during cooking and display goes black


Step 1:


Door Switch




If the microwave runs for a few seconds and then shuts off, a door switch might have failed intermittently. Check each of the door switches for any signs of overheating, arcing, or burning. Also check each of them for continuity. Replace any of the switches that is visibly damaged or that only has continuity intermittently


mwswitchtest2.jpg

Step 2:

Main Control Board




If the microwave runs for a few seconds and stops there may be a short circuit in the main control board. Check other components first, these boards are often misdiagnosed.


Touchpad and Control Panel




If the microwave runs for a few seconds and stops the touchpad and control panel might be defective. There are several other components that can cause this problem, be sure to check any other components before replacing this board.

Touchpad




If the microwave runs for a few seconds and stops the touchpad might be at fault. This is not common. Generally speaking, if the microwave display is working and some of the buttons respond correctly but some don't, the problem is with the touchpad.

High Voltage Transformer




If the microwave runs for a few seconds and stops the high voltage transformer might have an intermittent short. This is not common. Check other components related to the microwave symptom first.

Thermostat




If the microwave runs for a few seconds and stops the thermostat might be defective. Watch our video on testing thermostat

Step 3:

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Step 4:

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Step 5:

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Step 6:

use the DVOM tester and fix it. God bless you

Feb 08, 2013 | Microwave Ovens

1 Answer

Kenmore elite microwave 721.80833 stops cooking intermittently


Check the door switches if one is bad it may think the door is being opened and stop the unit from running. If it is from a bad connection it will get worse as it gets hotter while running.

Oct 04, 2017 | Kenmore 80809 Microwave Oven

1 Answer

Not heating


Hello


Power Supply

Check whether there is a proper power supply. Look to see whether the cord is connected to a grounded 3-prong outlet and the cord is fully plugged in. If the electrical system is built-in and no power cord is visible, replace or reset the household fuse or circuit breaker.

Microwave Functions

Some basic microwave operational steps may affect whether the microwave is heating. Open and close the microwave door, as the unit will not function with the door open, and push "Stop/Clear" to cancel any previous settings, such as the timer, which do not heat the microwave oven.

Setting the Microwave

Once the power to the microwave has been reset, or verified as working, and the microwave is ready to run, select a new cook cycle and press "Start" to see if the microwave begins to run and cook food as expected. Allow the food to cook for the alloted time and then open the microwave door and check to see if the food has cooked or heated. Choose a longer cooking time and restart the microwave if food is heating but is cooking slowly.

Repair

If all efforts to troubleshoot the function and power to the microwave still do not get the appliance heating food as expected, there may be a repair issue that needs to be addressed. Contact professional technician for advice.

Oct 05, 2011 | Sanyo Microwave Ovens

1 Answer

Microwave oven cooking time counter runs but does not cook? it is whirlpool MH 7130 XEQ; i also hear a huming sound whne it runs.


Sounds as if the magnetron tube inside has reached it's useful life...mag tubes are expensive and would outweigh the cost of a new uniot

Jan 22, 2011 | Whirlpool MH7140XF Microwave Oven

1 Answer

Occassionally (about 5% of the time) the microwave continues to cook and buzz after the timer has run out and the fan stops running.


sounds like the program bord is faulty,, when your finished cooking leave the door open a little that will save the microwave from trying to cook nothing?

Aug 28, 2010 | Whirlpool GT4175S Microwave Oven

1 Answer

Microwave still runs but is not cooking food


Sounds like a bad magnetron, i would replace the magnetron, Capacitor and Diode at the mag assembly, to be honest it will cost you more to fix than a new one.............

Sep 10, 2009 | Magic Chef CMV1000B Microwave Oven

1 Answer

Microwave runs, but does not cook anything. says sensor error


The magnetron, which is the device which creates the microwaves might have got damaged. If so, it should be replaced. Magnetron is the costliest part in a Microwave oven, check the price before before servicing it.

I hope this will solve your issue.

Good Luck.

If my solution proves useful please accept it.

Regards
Arjun

Apr 01, 2009 | Frigidaire FMT148GP Microwave Oven

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